The Importance of Water Answers

0 verified answers1 views
1
Free Preview

Which process allows water to enter the atmosphere?

A
evaporation
B
condensation
C
precipitation
D
freezing
2
Free Preview

What process adds carbon dioxide to the air?

A
nitrogen cycle
B
water cycle
C
respiration
D
photosynthesis
3

Which are limiting nutrients for plant growth?

A
water and nitrogen
B
nitrogen and carbon
C
carbon and phosphorus
D
phosphorus and nitrogen
4

Which of these nutrients can be found in all organic compounds?

A
nitrogen
B
calcium
C
carbon
D
phosphorous
5

Which of the following would be a result of eutrophication of a lake?

A
undergrowth of water plants
B
hypoxia, or low levels of oxygen
C
decreased decomposition
D
inactivity of fertilizers
6

Which best describes a possible negative impact of irrigation of farmland?

A
Food can be produced in dry areas.
B
Increased runoff can pollute bodies of water.
C
Food can be produced through drought years.
D
Water can improve the livelihood of farmers.
7

The ocean and the atmosphere serve as long-term storage areas for carbon and other nutrients. What are these storage areas called?

A
reservoirs
B
fossil fuels
C
biostorages
D
compounds
8

Actinobacteria sp. are fermenting organisms, which do not require oxygen to survive. These organisms break down organic material and convert it to inorganic material. Which part of the carbon cycle does this describe?

A
photosynthesis
B
respiration
C
decomposition
D
assimilation
9

What is the name of the process that plants use to remove carbon dioxide from the atmosphere?

A
transpiration
B
photosynthesis
C
respiration
D
decomposition
10

What is the effect of the biogeochemical cycles?

A
cycling energy through a food chain
B
recycling matter through the biosphere
C
recycling rocks through the layers of Earth
D
cycling nutrients through the human body

Did you find these answers helpful?

The Importance of Water Answers —…